Home / 5,238.26-7,221.35-4,166.63

Finding the Fourth Proportional to 5,238.26, 7,221.35 and 4,166.63

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Solution

The fourth proportional to 5,238.26, 7,221.35 and 4,166.63 is: 5,744.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,238.26 : 7,221.35 = 4,166.63 : x
  2. Step 2: Convert to fraction form
    5,238.26/7,221.35 = 4,166.63/x
  3. Step 3: Cross multiply
    5,238.26x = 7,221.35 × 4,166.63
  4. Step 4: Simplify right side
    5,238.26x = 30,088,693.55
  5. Step 5: Solve for x
    x = 30,088,693.55/5,238.26
  6. Step 6: Final answer
    x = 5,744.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.